Satellites, télescopes, images

Protoplanetary disc in the Orion Nebula

Proxima Centauri microlensing prediction

Quaoar’s orbit in the Solar System

Quadruple Saturn moon transit snapped by Hubble

Quadruple Saturn moon transit snapped by Hubble

Quaoar’s size compared with North America

Quadruple Saturn moon transit snapped by Hubble

Quasar 3C 273

Quasar 3C 273

Quasar 1208+101 (gravitational lens candidate)